by memory

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ThesaurusAntonymsRelated WordsSynonymsLegend: memory - by committing to memory; "she knew the poem by heart"
References in classic literature ?
When she had recently insisted that the same man had been at the head of her father's creatures in an attempt to rescue her, both von Horn and Professor Maxon scoffed at the idea, until at last she was convinced that the fright and the firelight had conspired to conjure in her brain the likeness of one who was linked by memory to another time of danger and despair.
Denali's Memory Modeler and SOMA language are used by memory manufacturers to create and verify memory models and make them available over the Internet.